JP5897887B2 - レンズ鏡筒 - Google Patents
レンズ鏡筒 Download PDFInfo
- Publication number
- JP5897887B2 JP5897887B2 JP2011265482A JP2011265482A JP5897887B2 JP 5897887 B2 JP5897887 B2 JP 5897887B2 JP 2011265482 A JP2011265482 A JP 2011265482A JP 2011265482 A JP2011265482 A JP 2011265482A JP 5897887 B2 JP5897887 B2 JP 5897887B2
- Authority
- JP
- Japan
- Prior art keywords
- cam surface
- aperture
- drive lever
- blade
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 description 33
- 230000001105 regulatory effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Diaphragms For Cameras (AREA)
- Lens Barrels (AREA)
Description
102,104 絞り羽根
108 羽根駆動レバー
202 ズームリング
202a,202b カム面
Claims (4)
- 光束が通過する開口の大きさを可変する絞り羽根と、
前記絞り羽根と係合し、回動に伴って前記絞り羽根を開き方向又は閉じ方向に駆動する駆動レバーと、
ズーム位置に応じて回動する回転筒と、
前記回転筒に設けられ、前記駆動レバーと当接して前記駆動レバーの駆動端位置を規定し、ズーム位置に応じて前記駆動レバーとの当接位置が変化するカム面と、
を備え、
前記カム面は、前記駆動レバーと当接して前記絞り羽根の開き方向の駆動端位置を規定する第1のカム面と、前記駆動レバーと当接して前記絞り羽根の閉じ方向の駆動端位置を規定する第2のカム面と、を含み、
前記第1のカム面と前記第2のカム面は、前記回転筒における回転軸方向の位置が異なるように設けられたことを特徴とする、レンズ鏡筒。 - 前記カム面は、前記駆動レバーと当接して前記絞り羽根の開き方向の駆動端位置を規定することを特徴とする、請求項1に記載のレンズ鏡筒。
- 前記カム面は、前記駆動レバーと当接して前記絞り羽根の閉じ方向の駆動端位置を規定する、請求項1に記載のレンズ鏡筒。
- 前記第1のカム面及び前記第2のカム面は、前記回転軸と対向する内面に設けられ、前記第1のカム面及び前記第2のカム面のいずれか一方が前記第1のカム面及び前記第2のカム面のいずれか他方よりもより前記回転軸に近い位置に設けられたことを特徴とする、請求項1に記載のレンズ鏡筒。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011265482A JP5897887B2 (ja) | 2011-12-05 | 2011-12-05 | レンズ鏡筒 |
KR1020120119289A KR101726691B1 (ko) | 2011-12-05 | 2012-10-25 | 렌즈 경통 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011265482A JP5897887B2 (ja) | 2011-12-05 | 2011-12-05 | レンズ鏡筒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013117653A JP2013117653A (ja) | 2013-06-13 |
JP5897887B2 true JP5897887B2 (ja) | 2016-04-06 |
Family
ID=48712243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011265482A Active JP5897887B2 (ja) | 2011-12-05 | 2011-12-05 | レンズ鏡筒 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5897887B2 (ja) |
KR (1) | KR101726691B1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114047658B (zh) * | 2021-09-03 | 2024-05-10 | 维沃移动通信(杭州)有限公司 | 摄像头模组及电子设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH077172B2 (ja) * | 1985-01-14 | 1995-01-30 | ミノルタ株式会社 | 絞り設定装置 |
US4987435A (en) * | 1989-03-29 | 1991-01-22 | Copal Company Limited | Compact camera with apparatus size adjustment by zooming |
JPH02254428A (ja) * | 1989-03-29 | 1990-10-15 | Copal Co Ltd | 開口径規制装置付カメラ |
JP3459691B2 (ja) * | 1994-09-22 | 2003-10-20 | キヤノン株式会社 | シャッタ装置 |
JP3668284B2 (ja) * | 1995-05-23 | 2005-07-06 | オリンパス株式会社 | 遮光装置 |
JP2000235209A (ja) * | 1999-02-16 | 2000-08-29 | Fuji Photo Optical Co Ltd | 開放開口規制装置 |
US6778333B2 (en) * | 2000-06-28 | 2004-08-17 | Fuji Photo Film Co., Ltd. | Zoom lens device |
JP2002014274A (ja) * | 2000-06-28 | 2002-01-18 | Fuji Photo Film Co Ltd | ズームレンズ装置 |
US20050226612A1 (en) * | 2004-04-08 | 2005-10-13 | Asia Optical Co., Inc. | Automatic diaphragm assembly with a variable aperture for a lens |
-
2011
- 2011-12-05 JP JP2011265482A patent/JP5897887B2/ja active Active
-
2012
- 2012-10-25 KR KR1020120119289A patent/KR101726691B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2013117653A (ja) | 2013-06-13 |
KR101726691B1 (ko) | 2017-04-13 |
KR20130062870A (ko) | 2013-06-13 |
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